Numbers 4:12

4:12 Then they must take all the utensils of the service, with which they serve in the sanctuary, put them in a blue cloth, cover them with a covering of fine leather, and put them on a carrying beam.

Numbers 4:14

4:14 Then they must place on it all its implements with which they serve there – the trays, the meat forks, the shovels, the basins, and all the utensils of the altar – and they must spread on it a covering of fine leather, and then insert its poles. ¹ 

[4:14]  ¹ tc For this passage the Greek and Smr have a substantial addition concerning the purple cloth for the laver and its base, and a further covering of skin (see D. W. Gooding, “On the Use of the LXX for Dating Midrashic Elements in the Targums,” JTS 25 [1974]: 1-11).